Home / 8,841.12-13,265.18-3,645.78

Finding the Fourth Proportional to 8,841.12, 13,265.18 and 3,645.78

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Solution

The fourth proportional to 8,841.12, 13,265.18 and 3,645.78 is: 5,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.12 : 13,265.18 = 3,645.78 : x
  2. Step 2: Convert to fraction form
    8,841.12/13,265.18 = 3,645.78/x
  3. Step 3: Cross multiply
    8,841.12x = 13,265.18 × 3,645.78
  4. Step 4: Simplify right side
    8,841.12x = 48,361,927.94
  5. Step 5: Solve for x
    x = 48,361,927.94/8,841.12
  6. Step 6: Final answer
    x = 5,470.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.